module JMESPath::Util

@api private

Public Class Methods

as_json(value) click to toggle source
# File lib/jmespath/util.rb, line 18
def as_json(value)
  if value.respond_to?(:to_ary)
    value.to_ary.map { |e| as_json(e) }
  elsif value.respond_to?(:to_hash)
    hash = {}
    value.to_hash.each_pair { |k, v| hash[k] = as_json(v) }
    hash
  elsif value.respond_to?(:to_str)
    value.to_str
  else
    value
  end
end
falsey?(value) click to toggle source

Determines if a value is false as defined by JMESPath:

https://github.com/jmespath/jmespath.site/blob/master/docs/proposals/improved-filters.rst#and-expressions-1
# File lib/jmespath/util.rb, line 9
def falsey?(value)
  !value ||
    (value.respond_to?(:to_ary) && value.to_ary.empty?) ||
    (value.respond_to?(:to_hash) && value.to_hash.empty?) ||
    (value.respond_to?(:to_str) && value.to_str.empty?) ||
    (value.respond_to?(:entries) && !value.entries.any?)
  # final case necessary to support Enumerable and Struct
end